While the humans don’t know them anymore, except in a couple small hunting populations
Following this theory, I found a similar treaty as the “law” mentioned in this article, amongst some of the Salish people in the Pacific Northwest, a lot of the indigenous groups with their own national identities in North America don’t have organized written records and especially not on the internet to reach the broader collective conscious and I think people assume otherwise.
if this phenomenon in the article was reportedly going on for a millennium in that one region of the world, I could see there being cross-drift to other regions
this is supporting my idea that the orcas still communicate it, and act that way towards us because of it, as opposed to any innate symbiotic relationship or general disinterest in violence towards humans